Alien planet reaches temperatures around 7,800 degrees fahrenheit!

NASA Transiting Exoplanet Survey Satellite's (TESS) observations of exoplanet KELT-9 b have revealed that its "dayside temperature is around 7,800 degrees Fahrenheit (4,300 C)," according to NASA's Goddard Space Flight Center. The planet is about 670 light-years from Earth in the Cygnus constellation.

Credit: NASA Goddard Space Flight Center
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